Isocrates' Antidosis ("Defense against the Exchange") and Aristotle's Protrepticus ("Exhortation to Philosophy") were recovered from oblivion in the late nineteenth century. In this article we demonstrate that the two texts happen to be directly related. Aristotle's Protrepticus was a response, on behalf of the Academy, to Isocrates' criticism of the Academy and its theoretical preoccupations.
Contents: I. Introduction: Protrepticus, text and context II. Authentication of the Protrepticus of Aristotle III. Isocrates and philosophy in Athens in the 4th century IV. The Protrepticus of Aristotle as a response to the Antidosis of Isocrates V. Conclusion: dueling conceptions of philosophy, still dueling.